======================================
| [   36.435053][  T331] 1 lock held by ip/331:
| [ 36.435194][ T331] #0: ffffffff95bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.435562][  T331]
| [   36.435562][  T331] stack backtrace:
[   36.436077][  T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.436491][  T331] Call Trace:
[   36.436636][  T331]  <TASK>
[ 36.436740][ T331] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.436932][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.437124][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.437433][ T331] br_get_link_af_size_filtered (net/bridge/br_private.h:930 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge
[ 36.437697][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.437914][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.438145][ T331] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.438360][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.438548][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.438783][ T331] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.438970][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.439156][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.439340][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.439526][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.439717][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.439899][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.440083][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.440313][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.440511][ T331] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.440694][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.440881][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.441065][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.441210][ T331] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.441401][ T331] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.441591][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.441784][ T331] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) 
[ 36.441973][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.442160][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.442399][ T331] ? __create_object (mm/kmemleak.c:751) 
[ 36.442599][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.442795][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.442942][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.443127][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.443318][ T331] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) 
[ 36.443502][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.443652][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.443844][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.444031][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.444223][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.444426][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.444628][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.444816][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.445008][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.445194][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.445384][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.445584][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.445768][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.445965][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.446160][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.446356][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.446540][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.446773][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.446969][ T331] ___sys_sendmsg (net/socket.c:2653) 
[ 36.447171][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.447359][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.447549][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.447731][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.447962][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.448155][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.448346][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.448582][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.448785][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.448969][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.449149][ T331] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) 
[ 36.449354][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.449546][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.449776][  T331] RIP: 0033:0x7f8180b7a7b7
[ 36.449967][ T331] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.450640][  T331] RSP: 002b:00007ffe3c9194d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.450923][  T331] RAX: ffffffffffffffda RBX: 00007ffe3c919c00 RCX: 00007f8180b7a7b7
[   36.451198][  T331] RDX: 0000000000000000 RSI: 00007ffe3c919540 RDI: 0000000000000005
[   36.451471][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.451758][  T331] R10: 0000000002a17910 R11: 0000000000000246 R12: 0000000000000004
[   36.452027][  T331] R13: 0000000066bea61b R14: 0000000000496600 R15: 0000000000000000
| [   36.454331][  T331] 1 lock held by ip/331:
| [ 36.454491][ T331] #0: ffffffff95bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.454846][  T331]
| [   36.454846][  T331] stack backtrace:
[   36.455375][  T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.455781][  T331] Call Trace:
[   36.455929][  T331]  <TASK>
[ 36.456034][ T331] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.456228][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.456413][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.456686][ T331] br_get_link_af_size_filtered (net/bridge/br_private.h:453 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge
[ 36.456952][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.457167][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.457398][ T331] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.457621][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.457802][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.458035][ T331] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.458220][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.458407][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.458590][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.458772][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.458956][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.459148][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.459328][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.459555][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.459751][ T331] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.459936][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.460121][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.460307][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.460448][ T331] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.460641][ T331] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.460831][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.461023][ T331] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) 
[ 36.461209][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.461399][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.461634][ T331] ? __create_object (mm/kmemleak.c:751) 
[ 36.461823][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.462013][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.462160][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.462348][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.462530][ T331] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) 
[ 36.462709][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.462854][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.463039][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.463226][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.463411][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.463608][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.463797][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.463987][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.464170][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.464353][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.464541][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.464738][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.464918][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.465106][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.465302][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.465489][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.465673][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.465898][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.466093][ T331] ___sys_sendmsg (net/socket.c:2653) 
[ 36.466282][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.466470][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.466654][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.466837][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.467066][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.467256][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.467448][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.467678][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.467870][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.468057][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.468245][ T331] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) 
[ 36.468474][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.468661][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.468890][  T331] RIP: 0033:0x7f8180b7a7b7
[ 36.469082][ T331] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.469724][  T331] RSP: 002b:00007ffe3c9194d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.470018][  T331] RAX: ffffffffffffffda RBX: 00007ffe3c919c00 RCX: 00007f8180b7a7b7
[   36.470294][  T331] RDX: 0000000000000000 RSI: 00007ffe3c919540 RDI: 0000000000000005
[   36.470569][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.470840][  T331] R10: 0000000002a17910 R11: 0000000000000246 R12: 0000000000000004
[   36.471114][  T331] R13: 0000000066bea61b R14: 0000000000496600 R15: 0000000000000000
| [   36.473361][  T331] 1 lock held by ip/331:
| [ 36.473513][ T331] #0: ffffffff95bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.473845][  T331]
| [   36.473845][  T331] stack backtrace:
[   36.474348][  T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.474954][  T331] Call Trace:
[   36.475095][  T331]  <TASK>
[ 36.475192][ T331] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.475385][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.475575][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.475845][ T331] br_get_link_af_size_filtered (net/bridge/br_private.h:1611 net/bridge/br_private.h:1608 net/bridge/br_netlink.c:107) bridge
[ 36.476109][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.476422][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.476655][ T331] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.476875][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.477055][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.477396][ T331] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.477583][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.477769][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.477949][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.478237][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.478423][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.478603][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.478784][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.479115][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.479316][ T331] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.479496][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.479680][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.479957][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.480099][ T331] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.480283][ T331] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.480471][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.480665][ T331] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) 
[ 36.481048][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.481234][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.481459][ T331] ? __create_object (mm/kmemleak.c:751) 
[ 36.481645][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.481930][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.482070][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.482252][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.482437][ T331] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) 
[ 36.482718][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.482863][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.483049][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.483231][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.483416][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.483712][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.483899][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.484082][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.484273][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.484554][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.484750][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.484935][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.485120][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.485409][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.485599][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.485785][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.485974][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.486294][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.486491][ T331] ___sys_sendmsg (net/socket.c:2653) 
[ 36.486675][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.486855][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.487035][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.487309][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.487532][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.487723][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.487914][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.488238][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.488426][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.488605][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.488786][ T331] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) 
[ 36.489087][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.489277][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.489509][  T331] RIP: 0033:0x7f8180b7a7b7
[ 36.489696][ T331] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.490427][  T331] RSP: 002b:00007ffe3c9194d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.490835][  T331] RAX: ffffffffffffffda RBX: 00007ffe3c919c00 RCX: 00007f8180b7a7b7
[   36.491112][  T331] RDX: 0000000000000000 RSI: 00007ffe3c919540 RDI: 0000000000000005
[   36.491384][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.491752][  T331] R10: 0000000002a17910 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink